Roberto paints 1/6 of a room in 1 hour.
Julio paints1/8 of a room in 1 hour.
Working together, they paint (1/6 + 1/8) = (4/24 + 3/24) = 7/24 room per hour.
The reciprocal unit rate is 24/7 hour per room = <em>3-3/7 hours</em> per room.
Answer: 66
Step-by-step explanation:see attachment.
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Answer:
C
Step-by-step explanation:
The order of rotational symmetry of a kite is 1
P=2 then 2^2+4=8
P=11 then 11^2+4=125